All grease pencil renders as black - Lighting and Rendering

I’m trying to create a 2D animation. Upon rendering the project I noticed that only the color black was being rendered. For example, if I drew something as white or red, it would just turn those marks black when rendered. Here’s an example, on the left is the original and the right is the render.

lighting - Grease Pencil: render is darker than what is displayed

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Grease Pencil Animation Rendering in Black & White : r/blenderhelp

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